Home / 19,538.28-26,967.66-11,159.64

Finding the Fourth Proportional to 19,538.28, 26,967.66 and 11,159.64

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Solution

The fourth proportional to 19,538.28, 26,967.66 and 11,159.64 is: 15,403.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.28 : 26,967.66 = 11,159.64 : x
  2. Step 2: Convert to fraction form
    19,538.28/26,967.66 = 11,159.64/x
  3. Step 3: Cross multiply
    19,538.28x = 26,967.66 × 11,159.64
  4. Step 4: Simplify right side
    19,538.28x = 300,949,377.24
  5. Step 5: Solve for x
    x = 300,949,377.24/19,538.28
  6. Step 6: Final answer
    x = 15,403.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.